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TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft.
Unit of Measure

Specifications

Series

 N/A M652900

Cone Part Number

 N/A M652949DW

Design Units

 N/A Imperial

Cage Type

 N/A Stamped Steel
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 267000 lbf1190000 N

C0 - Static Radial Rating

 N/A 411000 lbf1830000 N

Dimensions

d - Cone Bore

 N/A 11.0000 in279.4 mm

B - Double Cone Width

 N/A 5.0000 in127.000 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.080 in2 mm

da - Cone Frontface Backing Diameter

 N/A 11.57 in294 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.17 in4.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 N/A 69200 lbf308000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 465000 lbf2070000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 121000 lbf536000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 50900 lbf226000 N

Factors

K - Factor7 N/A 1.36
Cg - Geometry Factor8 N/A 0.161
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 4 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 Geometry constant for Lubrication Life Adjustment Factor a3l.
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